From 077b44f901dde7f178a1685d19f20199fa5ffa28 Mon Sep 17 00:00:00 2001
From: Joe Taylor <joe@princeton.edu>
Date: Sat, 10 Sep 2022 08:46:51 -0400
Subject: [PATCH] Reset m_echoSec0=0 after Clear Avg.

---
 widgets/mainwindow.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 1fd0f2436..3125bc9bf 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -1633,7 +1633,7 @@ void MainWindow::dataSink(qint64 frames)
         }
         int n=t0.toInt();
         int nsec=((n/10000)*3600) + (((n/100)%100)*60) + (n%100);
-        if(!m_echoRunning) m_echoSec0=nsec;
+        if(!m_echoRunning or echocom_.nsum<2) m_echoSec0=nsec;
         n=(nsec-m_echoSec0 + 864000)%86400;
         if(n>43200) n-=86400;
         m_echoRunning=true;